*>*«? /%, 







^ N '. - < 



PK0CEEDINGSV> V ^\ 4^ 



OF THE 



CAMBRIDGE PHILOSOPHICAL 

 SOCIETY. 



VOL. IV. PART V. 



[Michaelmas Term, 1882.] 

 , contents : 



PAGE 



Dr J. B. Pearson, On the construction of a negative eye-piece . . 254 



Professors Liveing and Dewar, On the circumstances producing the 



reversal of spectral lines of metals . . . . . . . 256 



Mr J. N. Langley and Mr C. S. Evans, On the Structure of the spleen . 266 



Mr W. Gardiner, On the continuity of the protoplasm in the motile 



organs of leaves 266 



Mr A. G. Greenhill, On the Complex Multiplication of Elliptic 



Fimctions 271 



Dr W. H. Gaskell, On certain points in the function of the cardiac 



muscle ............. 277 



Mr T. H. Corry, On the Development of the Polliniuni in Asclepias . 287 



Mr G. F. Doavdeswell, On some micro-organisms and their relations 



to disease 298 



[Vol. XIII. Part II. of the Transactions is now ready, and may be obtained by 

 Fellows of the Society on application to T, M. Robinson at the New Museums.-] 



■ d. 



(UUN 23 19 

 QDambrfoge: 



PRINTED AT THE UNIVERSITY PRESS. 



AND SOLD BY 



DEIGHTON, BELL AND CO. AND MACMILLAN AND CO. CAMBRIDGE; 



BELL AND SONS, LONDON. 



1888 



